Dengue worldwide overview

Situation update, 18 October

Compared with the same time period in 2018, data for dengue infections so far in 2019 shows substantial increases. Brazil, the Philippines, Mexico, Nicaragua, Bangladesh, Thailand, Honduras, Colombia, Malaysia and Sri Lanka are reporting most of the cases (89% of 960 000) during the past three months. In September 2019, Spain and France reported autochthonous cases of dengue.

Europe

In September 2019, Spain and France have reported autochthonous cases of dengue with no epidemiological link between the events. ECDC has issued a rapid risk assessment on 1 October 2019.

Americas and the Caribbean

The Pan American Health Organization (PAHO) has reported 2 563 698 suspected and confirmed dengue cases, including 1 082 deaths, in the Americas region in 2019 as of data available on 14 October 2019. Brazil is accounting for 78% of the cases (1 993 271 cases), recording a ten-fold increase compared with the same period in 2018 when 203 200 cases were reported. All four dengue virus serotypes are circulating the country. Highest incidence rates in the Region of the Americas are reported by Nicaragua, Belize, Brazil and Honduras.

The four dengue virus serotypes (DENV 1, DENV 2, DENV 3, and DENV 4) are currently circulating simultaneously in the Region of the Americas which increases the risk of severe cases. The figures for each country of the Americas region can be found on the PAHO Health Information Platform.

Asia

This year, most of the countries in Asia and South-East Asia are observing a spike in the number of cases.

Africa

According to WHO, Senegal reported a case, cases have also been reported by Sudan, and Côte d’Ivoire and Tanzania continue to report cases.

Australia and the Pacific

Cases of dengue are reported by Australia, French Polynesia and New Caledonia; and Marshall Islands have reported an outbreak of dengue.

Countries with most cases
Brazil, the Philippines, Mexico, Nicaragua, Bangladesh, Thailand, Honduras, Colombia, Malaysia, Sri Lanka
Travel-related cases in the EU/EEA expected
linked to travellers returning from affected areas
Low risk of transmission in the EU/EEA
due to the end of the transmission season, despite of sporadic locally acquired cases in France and Spain

Geographical distribution of dengue cases reported worldwide, August to October 2019

Dengue cases reported worldwide, as of 16 October 2019
Dengue cases reported worldwide, as of 16 October 2019